On Tue, 21 Aug 2018 16:31:46 +0200
Ricardo Ribalda Delgado <ricardo.riba...@gmail.com> wrote:
> We should only iomap the area of the chip that is memory mapped.
> Otherwise we could be mapping devices beyond the memory space or that
> belong to other devices.
>
Can you add
Fixes: ebd71e3a4861 ("mtd: maps: gpio-addr-flash: fix warnings and make more
portable")
and in case you want to backport the fix:
Cc: <sta...@vger.kernel.org>
> Signed-off-by: Ricardo Ribalda Delgado <ricardo.riba...@gmail.com>
> ---
> drivers/mtd/maps/gpio-addr-flash.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/mtd/maps/gpio-addr-flash.c
> b/drivers/mtd/maps/gpio-addr-flash.c
> index 17be47f72973..6de16e81994c 100644
> --- a/drivers/mtd/maps/gpio-addr-flash.c
> +++ b/drivers/mtd/maps/gpio-addr-flash.c
> @@ -234,7 +234,7 @@ static int gpio_flash_probe(struct platform_device *pdev)
> state->map.copy_to = gf_copy_to;
> state->map.bankwidth = pdata->width;
> state->map.size = state->win_size * (1 << state->gpio_count);
> - state->map.virt = ioremap_nocache(memory->start, state->map.size);
> + state->map.virt = ioremap_nocache(memory->start, state->win_size);
> if (!state->map.virt)
> return -ENOMEM;
>
